Advertising panel



FIG. 1 is a front side view showing an advertising panel my new design;

FIG. 2 is a rear side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof; and,

FIG. 5 is a top view thereof.

I claim the ornamental design for an advertising panel, as shown anddescribed.